Re: [PATCH v1] Bluetooth: hci_qca: Give enough time to ROME controller to bootup.

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在 2019-03-07 00:21,Balakrishna Godavarthi 写道:
This patch enables enough time to ROME controller to bootup
after we bring the enable ping out of reset.

Signed-off-by: Balakrishna Godavarthi <bgodavar@xxxxxxxxxxxxxx>
---
 drivers/bluetooth/hci_qca.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index 237aea34b69f..1953b13511e7 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -508,6 +508,8 @@ static int qca_open(struct hci_uart *hu)
 		qcadev = serdev_device_get_drvdata(hu->serdev);
 		if (qcadev->btsoc_type != QCA_WCN3990) {
 			gpiod_set_value_cansleep(qcadev->bt_en, 1);
+			/* Controller needs time to bootup. */
+			msleep(150);
 		} else {
 			hu->init_speed = qcadev->init_speed;
 			hu->oper_speed = qcadev->oper_speed;
Reviewed-by: Rocky Liao <rjliao@xxxxxxxxxxxxxx>
Tested-by: Rocky Liao <rjliao@xxxxxxxxxxxxxx>



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